42891460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22109}}^1$

素因数の和:22215

約数の個数: 24

約数和(自身を含む): 91004760

約数和(自身を除く): 48113300

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 22109, 44218, 88436, 110545, 221090, 442180, 2144573, 4289146, 8578292, 10722865, 21445730, 42891460]

約数ペア:

[(1, 42891460), (2, 21445730), (4, 10722865), (5, 8578292), (10, 4289146), (20, 2144573), (97, 442180), (194, 221090), (388, 110545), (485, 88436), (970, 44218), (1940, 22109)]